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* avfilter: Constify all AVFiltersAndreas Rheinhardt2021-04-27
| | | | | | | This is possible now that the next-API is gone. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com> Signed-off-by: James Almer <jamrial@gmail.com>
* avfilter/vf_ocr: add white space to whitelistDominic Mayers2021-03-19
| | | | | | | | Fixes #9151. The current version of libavfilter/vf_ocr.c does not have white space in the default whitelist. But it is recommanded to include white space. See https://github.com/tesseract-ocr/tesseract/issues/2923 Signed-off-by: Marton Balint <cus@passwd.hu>
* avfilter/vf_ocr: also export confidence of resultPaul B Mahol2019-05-17
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* avfilter/vf_ocr: check ff_set_common_formats() return valueMoritz Barsnick2017-11-01
| | | | Signed-off-by: Moritz Barsnick <barsnick@gmx.net>
* avfilter: do not use AVFrame accessorMuhammad Faiz2017-04-23
| | | | | Reviewed-by: wm4 <nfxjfg@googlemail.com> Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
* avfilter: add ocr filterPaul B Mahol2015-09-12
Signed-off-by: Paul B Mahol <onemda@gmail.com>